BelkaCTF #7: Stranger Dfings

BelkaCTF #7 is over, and the Earth is safe from the extraterrestrial perpetrators (for now!). Thank you for playing, we hope you enjoyed it! Congratulations to the winners:
Student track: LEEJINUNG, k3vg3n, d1v1ne
Professional track: br1g, its5Q, Flip

đź“„ BelkaCTF #7: Stranger Dfings write-up

The Wi-Fi password turned out to be the key—literally. It cracked open the traffic Steve’s party bus had scooped up. Clever bastards, hiding behind holiday chatter!

A few minutes later, I was staring at the journalist’s photos from that traffic. Something was off about them… really off…

Tricky
257
New Name
Solved 78 times

Here is the traffic captured by the tech squad: PV3901_CAP20250721134516_coldcase.cap

Decrypt the traffic.

What does the suspect call himself since recently?
Format: new nickname, e.g. X Æ A-12

Flag:


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